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Stockholders' Equity - Outstanding warrants (Details) | 3 Months Ended
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Mar. 31, 2023 $ / shares shares
Common Stock Warrants |
Warrants Outstanding (in shares) | shares | 1,031,820
Exercise price (in dollars per share) | $ / shares | $ 60.90
Weighted average |
Common Stock Warrants |
Weighted average life (in years) | 5 months 4 days
Warrants Issued in 2018 | Common stock warrants |
Common Stock Warrants |
Warrants Outstanding (in shares) | shares | 699,962
Exercise price (in dollars per share) | $ / shares | $ 72.00
Warrants Issued in 2019 | Common stock warrants |
Common Stock Warrants |
Warrants Outstanding (in shares) | shares | 331,858
Exercise price (in dollars per share) | $ / shares | $ 37.50

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
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